CN215553866U - Damping caruncle mounting structure behind electric motor car - Google Patents
Damping caruncle mounting structure behind electric motor car Download PDFInfo
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- CN215553866U CN215553866U CN202122055083.2U CN202122055083U CN215553866U CN 215553866 U CN215553866 U CN 215553866U CN 202122055083 U CN202122055083 U CN 202122055083U CN 215553866 U CN215553866 U CN 215553866U
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Abstract
The utility model discloses a rear damping caruncle mounting structure of an electric vehicle, which comprises two damping caruncle members symmetrically mounted at the rear end of a frame of the electric vehicle, wherein the upper ends of the damping caruncle members are connected with a rear bearing frame of the electric vehicle through a first bolt member, and the lower ends of the damping caruncle members are connected with a rear bottom fork of the electric vehicle through a second bolt member; the first connecting bolt and the second connecting bolt of the special connection damping caruncle component and the damping caruncle connecting piece are structurally optimized, so that a limiting surface and a limiting part with the function of limiting rotation are formed between the first connecting bolt and the second connecting bolt, and the limiting part are both positioned on the inner side with narrow space, so that an installation tool is not needed on the inner side of an assembly type, and the requirement of rapidly assembling the damping caruncle on the outer side can be met by forming the limiting structure through mutual matching; according to the practical comparison and production efficiency, the damping caruncle mounting strength of the design of the structure still meets the relevant regulations through the anti-seismic and tensile tests.
Description
Technical Field
The utility model belongs to the technical field of electric bicycles, and particularly relates to a rear shock absorption caruncle mounting structure of an electric bicycle.
Background
As is well known, an electric bicycle is a mechatronic personal transportation device in which a motor, a controller, a battery, a handlebar, a brake lever, and other operating parts and a display instrument system are installed on a common bicycle using the battery as an auxiliary energy source. The electric bicycle frame component is a basic structure body forming a bicycle, and is also a framework and a main body of the electric bicycle, and other components are also directly or indirectly arranged on the bicycle frame. The frame is an installation base body (similar to a skeleton of a human body) of each assembly of the electric vehicle, the motor, the vehicle body and other assemblies are connected into an organic whole, namely, each assembly forms a complete electric vehicle, and the frame is used as the skeleton of the whole bicycle, so that the correctness and the comfortableness of riding postures are determined and influenced to the greatest extent. Therefore, when designing the frame, people need to pay attention to the attractiveness of the frame and ensure the safety of the frame. The frame of the existing electric vehicle mainly comprises a main frame, a rear bottom fork, a middle support, a side support, a rear bearing frame, a handlebar and other parts, and bears the mass and the effective load of each assembly of the electric vehicle, various forces and moments generated when the electric vehicle runs and various static loads and dynamic loads.
When the electric vehicle faces different road conditions in the driving process, the damping caruncle connected and arranged between the rear seat part of the frame main body and the rear fork frame plays a role in damping and buffering; the existing damping caruncle, a rear fork frame and a rear bearing frame are mainly connected by bolts; according to market research and analysis of an actual assembly process, the assembly efficiency of the damping caruncle is relatively low in the whole vehicle assembly process, and sometimes double-person operation and installation are needed, because the upper connecting hole and the lower connecting hole of the existing damping caruncle are both of unthreaded hole structures, two tools are needed to clamp and screw the damping caruncle in the actual installation process, otherwise, the rotation slip phenomenon occurs, and the connecting bolt cannot reach pre-tightening; the damping caruncle directly influences the stability of the frame and the riding comfort, so that firm installation must be ensured, and meanwhile, the production efficiency is improved while the installation firmness is ensured from the production angle; therefore, the utility model provides the rear damping caruncle mounting structure of the electric vehicle, which can ensure the mounting firmness and improve the production efficiency.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides the rear shock absorption caruncle mounting structure of the electric vehicle, which can ensure the mounting firmness and improve the production efficiency.
The utility model is realized in this way, a rear damping caruncle mounting structure of an electric vehicle comprises two damping caruncle members symmetrically mounted at the rear end of a frame of the electric vehicle, wherein the upper end of each damping caruncle member is connected with a rear bearing frame of the electric vehicle through a first bolt member, and the lower end of each damping caruncle member is connected with a rear bottom fork of the electric vehicle through a second bolt member; the damping caruncle connecting piece is welded below a ring beam of the rear bearing frame of the electric vehicle; the damping caruncle connector comprises two vertical connecting parts and a horizontal connecting part, and mounting holes are formed in the two vertical connecting parts along the direction perpendicular to the vertical connecting parts and respectively comprise an inner side mounting hole and an outer side mounting hole; wherein, the inner circumference of the inner side mounting hole is provided with a rotary limiting surface; the outer side mounting hole is of a circular hole structure; the horizontal connecting part of the damping caruncle connecting piece is welded with a ring beam of a rear bearing frame of the electric vehicle; the upper suspension ring of the damping caruncle component is inserted between the two vertical connecting parts; the first bolt component sequentially comprises a first nut, a first limiting part and a first stud, the shape of the first limiting part is consistent with that of the inner side mounting hole of the damping caruncle connecting piece, the first bolt component sequentially penetrates through the inner side vertical connecting part of the damping caruncle connecting piece, the upper hanging ring and the outer side vertical connecting part of the damping caruncle component and extends out, a first locking nut is assembled on the extending first stud, and the first limiting part of the first bolt component is matched with the rotation limiting surface of the inner side mounting hole to form a first bolt anti-rotation limiting structure;
the rear bottom fork of the electric vehicle is provided with a damping caruncle lower connecting part extending upwards, the damping caruncle lower connecting part is provided with a damping caruncle lower connecting hole, and the inner circumference of the damping caruncle lower connecting hole is provided with a rotation limiting surface; the second bolt component sequentially comprises a second nut, a second limiting part and a second stud, wherein the shape of the second limiting part is consistent with that of the lower connecting hole of the damping caruncle; the second bolt component penetrates through the lower connecting part of the damping caruncle and the lower suspension ring of the damping caruncle from the inner side of the lower connecting part of the damping caruncle and extends out; a second locking nut is assembled on a second stud extending out of the outer side of the lower suspension ring of the damping caruncle; the second limiting part of the second bolt component is matched with a rotation limiting surface on the lower connecting part of the damping caruncle to form a second anti-rotation limiting structure.
The shape of inboard mounting hole is square structure, and its inner circumference is equipped with four spacing faces of gyration, and the first spacing portion that corresponds first bolt component is square structure.
The inner circumference of the inner side mounting hole is provided with a rotary limiting surface, and a first limiting part is arranged on the corresponding first bolt component.
The inner circumference of the inner side mounting hole is provided with two rotation limiting surfaces which are in mirror symmetry; two symmetrical first limiting parts are arranged on the corresponding first bolt component.
The section shape of the horizontal connecting part of the damping caruncle connecting piece is consistent with the shape of the welding binding surface of the outer circle of the ring beam.
The utility model has the advantages and technical effects that: because the utility model adopts the technical scheme that the first connecting bolt and the second connecting bolt for connecting the damping caruncle component and the damping caruncle connecting piece are structurally optimized, a limiting surface and a limiting part with the function of limiting rotation are formed between the first connecting bolt and the second connecting bolt and the damping caruncle connecting piece, and the limiting part are both positioned on the inner side with narrow space, thus the requirement of rapidly assembling the damping caruncle at the outer side can be met by forming the limiting structure through mutual matching without mounting tools on the inner side of an assembly type; according to the practical comparison and production efficiency, the damping caruncle mounting strength of the design of the structure still meets the relevant regulations through the anti-seismic and tensile tests.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is an enlarged view of section I of FIG. 2;
FIG. 4 is a schematic view of a first bolt member construction;
fig. 5 and 6 are two structural schematic diagrams of the mounting hole on the inner side of the damping caruncle connector.
In the drawing, 1, a frame of an electric vehicle; 1-1, a rear bearing frame of the electric vehicle; 1-2, rear bottom fork of the electric vehicle; 1-20 parts of damping lower connection holes of the caruncle; 1-21, a rotation limiting surface; 2. a damping caruncle component; 3. a first bolt member; 3-1, a first nut; 3-2, a first limiting part; 3-3, a first stud; 3-4, a first locking nut; 4. a second bolt member; 5. damping a caruncle connector; 5-1, a vertical connecting part; 5-2, horizontal connecting parts; 5-3, inner side mounting holes; 5-4, outer side mounting holes; 5-5, a rotation limiting surface; 6. a rear bottom fork of the electric vehicle; 7. a damping lower connection part of the caruncle veneris; 7-1 part of,
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 to 4, a rear damping caruncle mounting structure for an electric vehicle comprises two damping caruncle members 2 symmetrically mounted at the rear end of an electric vehicle frame 1, wherein the upper ends of the damping caruncle members are connected with a rear carrier 1-1 of the electric vehicle through a first bolt member 3, and the lower ends of the damping caruncle members are connected with a rear bottom fork 1-2 of the electric vehicle through a second bolt member 4; a damping caruncle connecting piece 5 is welded below a ring beam of the rear bearing frame of the electric vehicle; the damping caruncle connector comprises two vertical connecting parts 5-1 and a horizontal connecting part 5-2, wherein mounting holes are formed in the two vertical connecting parts along the direction vertical to the vertical connecting parts, namely an inner side mounting hole 5-3 and an outer side mounting hole 5-4; wherein, the inner circumference of the inner side mounting hole is provided with a rotary limiting surface 5-5; the outer side mounting hole is of a circular hole structure; the horizontal connecting part of the damping caruncle connecting piece is welded with a ring beam of a rear bearing frame of the electric vehicle; the upper suspension ring of the damping caruncle component is inserted between the two vertical connecting parts 5-1; the first bolt component 3 sequentially comprises a first nut 3-1, a first limiting part 3-2 and a first stud 3-3, wherein the shape of the first limiting part is consistent with that of an inner side mounting hole of the damping caruncle connector, the first bolt component sequentially penetrates through an inner side vertical connecting part of the damping caruncle connector, an upper hanging ring and an outer side vertical connecting part of the damping caruncle component and extends out, a first locking nut 3-4 is assembled on the extending first stud, and the first limiting part of the first bolt component is matched with a rotation limiting surface of the inner side mounting hole to form a first bolt rotation prevention limiting structure;
the rear bottom fork 1-2 of the electric vehicle is provided with a damping bent monster lower connecting part extending upwards, the damping bent monster lower connecting part is provided with a damping bent monster lower connecting hole 1-20, and the inner circumference of the damping bent monster lower connecting hole is provided with a rotation limiting surface 1-21; the second bolt component and the first bolt component have the same structure and sequentially comprise a second nut, a second limiting part and a second stud, wherein the shape of the second limiting part is consistent with that of the lower connecting hole of the damping caruncle; the second bolt component penetrates through the lower connecting part of the damping caruncle and the lower suspension ring of the damping caruncle from the inner side of the lower connecting part of the damping caruncle and extends out; a second locking nut is assembled on a second stud extending out of the outer side of the lower suspension ring of the damping caruncle; the second limiting part of the second bolt component is matched with a rotation limiting surface on the lower connecting part of the damping caruncle to form a second anti-rotation limiting structure.
In this embodiment, the inner mounting hole has a square shape, four rotation limiting surfaces are disposed on an inner circumference of the inner mounting hole, and the first limiting portion corresponding to the first bolt member has a square shape.
Preferably, the inner circumference of the inner side mounting hole is provided with a rotation limiting surface, and a first limiting portion is provided corresponding to the first bolt member, please refer to fig. 5.
Preferably, the inner circumference of the inner side mounting hole is provided with two rotation limiting surfaces, and the two rotation limiting surfaces are in mirror symmetry; two symmetrical first position-limiting portions are disposed on the corresponding first bolt member, please refer to fig. 6.
Preferably, the cross-sectional shape of the horizontal connecting part of the damping caruncle connecting piece is consistent with the shape of the welding joint surface of the outer circle of the ring beam.
The utility model adopts the technical scheme that the first connecting bolt and the second connecting bolt for connecting the damping caruncle component and the damping caruncle connecting piece are structurally optimized, so that a limiting surface and a limiting part with the function of limiting rotation are formed between the first connecting bolt and the second connecting bolt and the damping caruncle connecting piece, and the limiting part are both positioned on the inner side with narrow space, thus the requirement of rapidly assembling the damping caruncle at the outer side can be met by forming the limiting structure through mutual matching without mounting tools on the inner side of an assembly type; according to the practical comparison and production efficiency, the damping caruncle mounting strength of the design of the structure still meets the relevant regulations through tests of earthquake resistance, tensile resistance and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A rear damping curved-mons mounting structure of an electric vehicle comprises two damping curved-mons members symmetrically mounted at the rear end of a frame of the electric vehicle, wherein the upper ends of the damping curved-mons members are connected with a rear bearing frame of the electric vehicle through a first bolt member, and the lower ends of the damping curved-mons members are connected with a rear bottom fork of the electric vehicle through a second bolt member; the damping caruncle connecting piece is welded below a ring beam of the rear bearing frame of the electric vehicle; the damping caruncle connector comprises two vertical connecting parts and a horizontal connecting part, and mounting holes are formed in the two vertical connecting parts along the direction perpendicular to the vertical connecting parts and respectively comprise an inner side mounting hole and an outer side mounting hole; wherein, the inner circumference of the inner side mounting hole is provided with a rotary limiting surface; the outer side mounting hole is of a circular hole structure; the horizontal connecting part of the damping caruncle connecting piece is welded with a ring beam of a rear bearing frame of the electric vehicle; the upper suspension ring of the damping caruncle component is inserted between the two vertical connecting parts; the first bolt component sequentially comprises a first nut, a first limiting part and a first stud, the shape of the first limiting part is consistent with that of the inner side mounting hole of the damping caruncle connecting piece, the first bolt component sequentially penetrates through the inner side vertical connecting part of the damping caruncle connecting piece, the upper hanging ring and the outer side vertical connecting part of the damping caruncle component and extends out, a first locking nut is assembled on the extending first stud, and the first limiting part of the first bolt component is matched with the rotation limiting surface of the inner side mounting hole to form a first bolt anti-rotation limiting structure;
the rear bottom fork of the electric vehicle is provided with a damping caruncle lower connecting part extending upwards, the damping caruncle lower connecting part is provided with a damping caruncle lower connecting hole, and the inner circumference of the damping caruncle lower connecting hole is provided with a rotation limiting surface; the second bolt component sequentially comprises a second nut, a second limiting part and a second stud, wherein the shape of the second limiting part is consistent with that of the lower connecting hole of the damping caruncle; the second bolt component penetrates through the lower connecting part of the damping caruncle and the lower suspension ring of the damping caruncle from the inner side of the lower connecting part of the damping caruncle and extends out; a second locking nut is assembled on a second stud extending out of the outer side of the lower suspension ring of the damping caruncle; the second limiting part of the second bolt component is matched with a rotation limiting surface on the lower connecting part of the damping caruncle to form a second anti-rotation limiting structure.
2. The rear damper caruncle mounting structure for an electric vehicle according to claim 1, wherein: the shape of inboard mounting hole is square structure, and its inner circumference is equipped with four spacing faces of gyration, and the first spacing portion that corresponds first bolt component is square structure.
3. The rear damper caruncle mounting structure for an electric vehicle according to claim 1, wherein: the inner circumference of the inner side mounting hole is provided with a rotary limiting surface, and a first limiting part is arranged on the corresponding first bolt component.
4. The rear damper caruncle mounting structure for an electric vehicle according to claim 1, wherein: the inner circumference of the inner side mounting hole is provided with two rotation limiting surfaces which are in mirror symmetry; two symmetrical first limiting parts are arranged on the corresponding first bolt component.
5. The rear damper caruncle mounting structure for an electric vehicle according to claim 1, wherein: the section shape of the horizontal connecting part of the damping caruncle connecting piece is consistent with the shape of the welding binding surface of the outer circle of the ring beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122055083.2U CN215553866U (en) | 2021-08-27 | 2021-08-27 | Damping caruncle mounting structure behind electric motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122055083.2U CN215553866U (en) | 2021-08-27 | 2021-08-27 | Damping caruncle mounting structure behind electric motor car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215553866U true CN215553866U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122055083.2U Active CN215553866U (en) | 2021-08-27 | 2021-08-27 | Damping caruncle mounting structure behind electric motor car |
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| Country | Link |
|---|---|
| CN (1) | CN215553866U (en) |
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2021
- 2021-08-27 CN CN202122055083.2U patent/CN215553866U/en active Active
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